Adv Search
Volume 8 Issue 1
Mar.  2006
Turn off MathJax
Article Contents
Abstract
References
Related Articles
ZHANG Yun-tao, HE Xue-mei. Cutting Condition of Arrows and Hearts Effect of Diamond[J]. Journal of Gems & Gemmology, 2006, 8(1): 33-35.
Citation: ZHANG Yun-tao, HE Xue-mei. Cutting Condition of Arrows and Hearts Effect of Diamond[J]. Journal of Gems & Gemmology, 2006, 8(1): 33-35.
shu

Cutting Condition of Arrows and Hearts Effect of Diamond

  • Gemmological Institute, China University of Geosciences, Beijing 100083, China

More Information
  • Received Date: December 22, 2005
    Graphical Abstract
    • Abstract
  • The imaging principle of arrows and hearts effect of diamond is studied.The hearts are the reflection of the crown in the pavilion,the arrows are the reflection of the pavilion in the crown at the same time.Through measured samples of a series of diamonds with arrows and hearts effect,it is found that the strict symmetry of cut is not only required,but also the precise proportion is needed.That is to say,the table size should be in the range of 55%~57%,the crown angles in the range of 34°~35°,the pavilion angles in the range of 40°~42°,and the pavilion depth in the range of 43%~44%.
    • FullText(HTML)
    • References (0)
    • Related Articles

  • Related Articles

    [1]NING Guangrong, XU Junming, LI Dongsheng. Colour Origin of Tahiti Black Pearl[J]. Journal of Gems & Gemmology, 2024, 26(S1): 16-18.
    [2]ZHENG Yalong, WANG Chengbo, PAN Shaokui, LIU Jia, YIN Zuowei, ZHENG Jinyu, DE Zi. Gemmological Characteristic and Colour Origin of Purple Anthophyllite Jade from Xinjiang, China[J]. Journal of Gems & Gemmology, 2023, 25(5): 29-38. DOI: 10.15964/j.cnki.027jgg.2023.05.003
    [3]SUN Ruizhen, ZHENG Yalong, WANG Chengbo, PENG Zicheng. Gemmological Characteristic and Colour Genesis of Golden Diopside[J]. Journal of Gems & Gemmology, 2023, 25(3): 36-42. DOI: 10.15964/j.cnki.027jgg.2023.03.005
    [4]WU Jinlin, MA Hong, LI Huihuang. Spectral Characteristic and Colour Genesis of A Kind of Pink Synthetic Opal[J]. Journal of Gems & Gemmology, 2023, 25(2): 42-49. DOI: 10.15964/j.cnki.027jgg.2023.02.006
    [5]ZHUANG Yue, CHEN Tao, WANG Ziwei, ZHENG Jinyu, CAO Nan, CHEN Xin. Characteristic and Cause of Colour of the Yellow and Black Rough Stone Crusts of Laos Stone from Water Area[J]. Journal of Gems & Gemmology, 2022, 24(2): 73-84. DOI: 10.15964/j.cnki.027jgg.2022.02.009
    [6]SHEN Yan'ao, YE Peng. Cause of Tri-Colour Change Effect of A Rare Garnet[J]. Journal of Gems & Gemmology, 2018, 20(2): 17-23. DOI: 10.15964/j.cnki.027jgg.2018.02.003
    [7]ZHONG Peipei, Andy Hsitien Shen. Colour Origin of Dark Green Tourmaline from Zambia[J]. Journal of Gems & Gemmology, 2017, 19(6): 7-14. DOI: 10.15964/j.cnki.027jgg.2017.06.002
    [8]YU Xidan, DENG Yuqing, LYU Jing, YAO Chunmao. Comparison on Cause of Colour of Red-Brown Gaoshan Stone and Duchengkeng Stone[J]. Journal of Gems & Gemmology, 2016, 18(2): 15-25.
    [9]XING Wan-li, LI Guo-wu, CHEN Tao. Mineralogical Characteristics of Several Types of Representative Qingtian Stone[J]. Journal of Gems & Gemmology, 2011, 13(4): 26-30,52.
    [10]Karl Schmetzer, Dietmar Schwarz. Causes of Colour in Untreated, Heat Treated and Diffusion Treated Orange and Pinkish Orange Sapphires[J]. Journal of Gems & Gemmology, 2005, 7(1): 1-10.

Catalog

    Get Citation
    PDF
    XML

    Article Metrics

    Article views (31) PDF downloads (0) Cited by()
    Related
    Email alert RSS
    二维码

    Supported by Beijing Renhe Information Technology Co., Ltd.  Baidu Analytics

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return